• Manufactured from M42 HSS containing 8% cobalt which increases high red hardness
• Cobalt drills require rigidly held positive feed drilling equipment
• High red hardness of cobalt steel permits speed 30% higher than regular high speed drill

Norseman Drill 08130 Jobber Length Drill Bit, Type 150, Fractional Drill Size: 1/4 Inch, Point Angle: 135 deg, Point Type: Split, Cobalt, Grade: M-42, Gold, Flute Length: 2-3/4 Inch, Number of Flutes: 2, Shank Diameter: 1/4 Inch, Shank Length: 1-1/4 Inch, Overall Length: 4 Inch